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mpv/libvo/vo_gl2.c

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/*
* X11/OpenGL interface
* based on video_out_x11 by Aaron Holtzman,
* and WS opengl window manager by Pontscho/Fresh!
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "mp_msg.h"
#include "subopt-helper.h"
#include "video_out.h"
#include "video_out_internal.h"
#include "sub.h"
#include "gl_common.h"
#include "aspect.h"
#ifdef CONFIG_GUI
#include "gui/interface.h"
#endif
#undef TEXTUREFORMAT_ALWAYS
#ifdef __APPLE__
#define TEXTUREFORMAT_ALWAYS GL_RGBA8
#endif
//! force texture height, useful for debugging
#define TEXTURE_HEIGHT 128
#undef TEXTURE_HEIGHT
//! force texture width, useful for debugging
#define TEXTURE_WIDTH 128
#undef TEXTURE_WIDTH
static const vo_info_t info =
{
"X11 (OpenGL) - multiple textures version",
"gl2",
"Arpad Gereoffy & Sven Goethel",
""
};
const LIBVO_EXTERN(gl2)
/* local data */
static unsigned char *ImageData=NULL;
static MPGLContext glctx;
static uint32_t image_width;
static uint32_t image_height;
static uint32_t image_format;
static uint32_t image_bpp;
static uint32_t image_bytes;
static int int_pause;
static uint32_t texture_width;
static uint32_t texture_height;
static int texnumx, texnumy, raw_line_len;
static int texdirty;
static struct TexSquare * texgrid = NULL;
static GLuint fragprog;
static GLuint lookupTex;
static GLint gl_internal_format;
static int rgb_sz, r_sz, g_sz, b_sz, a_sz;
static GLenum gl_bitmap_format;
static GLenum gl_bitmap_type;
static int isGL12 = GL_FALSE;
static int gl_bilinear=1;
static int gl_antialias=0;
static int use_yuv;
static int is_yuv;
static int use_glFinish;
static void (*draw_alpha_fnc)
(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride);
/* The squares that are tiled to make up the game screen polygon */
struct TexSquare
{
GLubyte *texture;
GLuint texobj;
GLuint uvtexobjs[2];
GLfloat fx, fy, fw, fh;
};
static GLint getInternalFormat(void)
{
switch (glctx.type) {
#ifdef CONFIG_GL_WIN32
case GLTYPE_W32:
{
PIXELFORMATDESCRIPTOR pfd;
HDC vo_hdc = vo_w32_get_dc(vo_w32_window);
int pf = GetPixelFormat(vo_hdc);
if (!DescribePixelFormat(vo_hdc, pf, sizeof pfd, &pfd)) {
r_sz = g_sz = b_sz = a_sz = 0;
} else {
r_sz = pfd.cRedBits;
g_sz = pfd.cGreenBits;
b_sz = pfd.cBlueBits;
a_sz = pfd.cAlphaBits;
}
vo_w32_release_dc(vo_w32_window, vo_hdc);
}
break;
#endif
#ifdef CONFIG_GL_X11
case GLTYPE_X11:
if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_RED_SIZE, &r_sz) != 0) r_sz = 0;
if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_GREEN_SIZE, &g_sz) != 0) g_sz = 0;
if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_BLUE_SIZE, &b_sz) != 0) b_sz = 0;
if (glXGetConfig(mDisplay, glctx.vinfo.x11, GLX_ALPHA_SIZE, &a_sz) != 0) a_sz = 0;
break;
#endif
}
rgb_sz=r_sz+g_sz+b_sz;
if(rgb_sz<=0) rgb_sz=24;
#ifdef TEXTUREFORMAT_ALWAYS
return TEXTUREFORMAT_ALWAYS;
#else
if(r_sz==3 && g_sz==3 && b_sz==2 && a_sz==0)
return GL_R3_G3_B2;
if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==0)
return GL_RGB4;
if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==0)
return GL_RGB5;
if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==0)
return GL_RGB8;
if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==0)
return GL_RGB10;
if(r_sz==2 && g_sz==2 && b_sz==2 && a_sz==2)
return GL_RGBA2;
if(r_sz==4 && g_sz==4 && b_sz==4 && a_sz==4)
return GL_RGBA4;
if(r_sz==5 && g_sz==5 && b_sz==5 && a_sz==1)
return GL_RGB5_A1;
if(r_sz==8 && g_sz==8 && b_sz==8 && a_sz==8)
return GL_RGBA8;
if(r_sz==10 && g_sz==10 && b_sz==10 && a_sz==2)
return GL_RGB10_A2;
#endif
return GL_RGB;
}
static int initTextures(void)
{
struct TexSquare *tsq=0;
GLfloat texpercx, texpercy;
int s;
int x=0, y=0;
GLint format=0;
// textures smaller than 64x64 might not be supported
s=64;
while (s<image_width)
s*=2;
texture_width=s;
s=64;
while (s<image_height)
s*=2;
texture_height=s;
if (!is_yuv)
gl_internal_format = getInternalFormat();
/* Test the max texture size */
do {
glTexImage2D (GL_PROXY_TEXTURE_2D, 0,
gl_internal_format,
texture_width, texture_height,
0, gl_bitmap_format, gl_bitmap_type, NULL);
glGetTexLevelParameteriv
(GL_PROXY_TEXTURE_2D, 0, GL_TEXTURE_INTERNAL_FORMAT, &format);
if (format != gl_internal_format)
{
mp_msg (MSGT_VO, MSGL_V, "[gl2] Needed texture [%dx%d] too big, trying ",
texture_height, texture_width);
if (texture_width > texture_height)
texture_width /= 2;
else
texture_height /= 2;
mp_msg (MSGT_VO, MSGL_V, "[%dx%d] !\n", texture_height, texture_width);
if(texture_width < 64 || texture_height < 64) {
mp_msg (MSGT_VO, MSGL_FATAL, "[gl2] Give up .. usable texture size not avaiable, or texture config error !\n");
return -1;
}
}
}
while (format != gl_internal_format && texture_width > 1 && texture_height > 1);
#ifdef TEXTURE_WIDTH
texture_width = TEXTURE_WIDTH;
#endif
#ifdef TEXTURE_HEIGHT
texture_height = TEXTURE_HEIGHT;
#endif
texnumx = image_width / texture_width;
if ((image_width % texture_width) > 0)
texnumx++;
texnumy = image_height / texture_height;
if ((image_height % texture_height) > 0)
texnumy++;
mp_msg(MSGT_VO, MSGL_V, "[gl2] Creating %dx%d textures of size %dx%d ...\n",
texnumx, texnumy, texture_width,texture_height);
/* Allocate the texture memory */
texpercx = (GLfloat) texture_width / (GLfloat) image_width;
texpercy = (GLfloat) texture_height / (GLfloat) image_height;
if (texgrid)
free(texgrid);
texgrid = calloc (texnumx * texnumy, sizeof (struct TexSquare));
raw_line_len = image_width * image_bytes;
mp_msg (MSGT_VO, MSGL_DBG2, "[gl2] texture-usage %d*width=%d, %d*height=%d\n",
(int) texnumx, (int) texture_width, (int) texnumy,
(int) texture_height);
tsq = texgrid;
for (y = 0; y < texnumy; y++) {
for (x = 0; x < texnumx; x++) {
tsq->fx = x * texpercx;
tsq->fy = y * texpercy;
tsq->fw = texpercx;
tsq->fh = texpercy;
tsq->texobj=0;
tsq->uvtexobjs[0] = tsq->uvtexobjs[1] = 0;
glGenTextures (1, &(tsq->texobj));
glBindTexture (GL_TEXTURE_2D, tsq->texobj);
if (is_yuv) {
glGenTextures(2, tsq->uvtexobjs);
ActiveTexture(GL_TEXTURE1);
glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[0]);
ActiveTexture(GL_TEXTURE2);
glBindTexture (GL_TEXTURE_2D, tsq->uvtexobjs[1]);
ActiveTexture(GL_TEXTURE0);
}
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width, texture_height, 0);
glTexEnvf (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
if (is_yuv) {
int xs, ys;
mp_get_chroma_shift(image_format, &xs, &ys);
ActiveTexture(GL_TEXTURE1);
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width >> xs, texture_height >> ys, 128);
ActiveTexture(GL_TEXTURE2);
glCreateClearTex(GL_TEXTURE_2D, gl_internal_format, gl_bitmap_format, gl_bitmap_type, GL_LINEAR,
texture_width >> xs, texture_height >> ys, 128);
ActiveTexture(GL_TEXTURE0);
}
tsq++;
} /* for all texnumx */
} /* for all texnumy */
return 0;
}
static void resetTexturePointers(unsigned char *imageSource)
{
unsigned char *texdata_start, *line_start;
struct TexSquare *tsq = texgrid;
int x=0, y=0;
line_start = (unsigned char *) imageSource;
for (y = 0; y < texnumy; y++) {
texdata_start = line_start;
for (x = 0; x < texnumx; x++) {
tsq->texture = texdata_start;
texdata_start += texture_width * image_bytes;
tsq++;
} /* for all texnumx */
line_start += texture_height * raw_line_len;
} /* for all texnumy */
}
static void gl_set_bilinear (int val)
{
int x, y;
if(val>=0)
gl_bilinear = val;
else
gl_bilinear++;
gl_bilinear=gl_bilinear%2;
/* no mipmap yet .. */
for (y = 0; y < texnumy; y++) {
for (x = 0; x < texnumx; x++) {
glBindTexture (GL_TEXTURE_2D, texgrid[y * texnumx + x].texobj);
switch (gl_bilinear) {
case 0:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear off\n");
break;
case 1:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear linear\n");
break;
case 2:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_NEAREST);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear mipmap nearest\n");
break;
case 3:
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] bilinear mipmap linear\n");
break;
}
}
}
}
static void gl_set_antialias (int val)
{
gl_antialias=val;
if (gl_antialias) {
glShadeModel (GL_SMOOTH);
glEnable (GL_POLYGON_SMOOTH);
glEnable (GL_LINE_SMOOTH);
glEnable (GL_POINT_SMOOTH);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] antialiasing on\n");
} else {
glShadeModel (GL_FLAT);
glDisable (GL_POLYGON_SMOOTH);
glDisable (GL_LINE_SMOOTH);
glDisable (GL_POINT_SMOOTH);
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] antialiasing off\n");
}
}
static void drawTextureDisplay (void)
{
struct TexSquare *square = texgrid;
int x, y;
glColor3f(1.0,1.0,1.0);
if (is_yuv)
glEnableYUVConversion(GL_TEXTURE_2D, use_yuv);
for (y = 0; y < texnumy; y++) {
int thish = texture_height;
if (y == texnumy - 1 && image_height % texture_height)
thish = image_height % texture_height;
for (x = 0; x < texnumx; x++) {
int thisw = texture_width;
if (x == texnumx - 1 && image_width % texture_width)
thisw = image_width % texture_width;
glBindTexture (GL_TEXTURE_2D, square->texobj);
if (is_yuv) {
ActiveTexture(GL_TEXTURE1);
glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[0]);
ActiveTexture(GL_TEXTURE2);
glBindTexture (GL_TEXTURE_2D, square->uvtexobjs[1]);
ActiveTexture(GL_TEXTURE0);
}
if (texdirty) {
glUploadTex(GL_TEXTURE_2D, gl_bitmap_format, gl_bitmap_type,
square->texture, image_width * image_bytes,
0, 0, thisw, thish, 0);
}
glDrawTex(square->fx, square->fy, square->fw, square->fh,
0, 0, texture_width, texture_height,
texture_width, texture_height,
0, is_yuv, 0);
square++;
} /* for all texnumx */
} /* for all texnumy */
if (is_yuv)
glDisableYUVConversion(GL_TEXTURE_2D, use_yuv);
texdirty = 0;
}
static void resize(int x,int y){
mp_msg(MSGT_VO,MSGL_V,"[gl2] Resize: %dx%d\n",x,y);
if(aspect_scaling()) {
glClear(GL_COLOR_BUFFER_BIT);
aspect(&x, &y, A_WINZOOM);
panscan_calc_windowed();
x += vo_panscan_x;
y += vo_panscan_y;
glViewport( (vo_dwidth-x)/2, (vo_dheight-y)/2, x, y);
} else {
//aspect(x, y, A_NOZOOM);
if (WinID >= 0) {
int top = 0, left = 0, w = x, h = y;
geometry(&top, &left, &w, &h, vo_screenwidth, vo_screenheight);
glViewport(top, left, w, h);
} else
glViewport( 0, 0, x, y );
}
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho (0, 1, 1, 0, -1.0, 1.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
static void draw_alpha_32(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb32(w,h,src,srca,stride,ImageData+4*(y0*image_width+x0),4*image_width);
}
static void draw_alpha_24(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb24(w,h,src,srca,stride,ImageData+3*(y0*image_width+x0),3*image_width);
}
static void draw_alpha_16(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb16(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_15(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
vo_draw_alpha_rgb15(w,h,src,srca,stride,ImageData+2*(y0*image_width+x0),2*image_width);
}
static void draw_alpha_null(int x0,int y0, int w,int h, unsigned char* src, unsigned char *srca, int stride){
}
#ifdef CONFIG_GL_WIN32
static int config_w32(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
if (!vo_w32_config(d_width, d_height, flags))
return -1;
return 0;
}
#else
static int choose_glx_visual(Display *dpy, int scr, XVisualInfo *res_vi)
{
XVisualInfo template, *vi_list;
int vi_num, i, best_i, best_weight;
template.screen = scr;
vi_list = XGetVisualInfo(dpy, VisualScreenMask, &template, &vi_num);
if (!vi_list) return -1;
best_weight = 1000000; best_i=0;
for (i = 0; i < vi_num; i++) {
int val, res, w = 0;
/* of course, the visual must support OpenGL rendering... */
res = glXGetConfig(dpy, vi_list + i, GLX_USE_GL, &val);
if (res || val == False) continue;
/* also it must be doublebuffered ... */
res = glXGetConfig(dpy, vi_list + i, GLX_DOUBLEBUFFER, &val);
if (res || val == False) continue;
/* furthermore it must be RGBA (not color indexed) ... */
res = glXGetConfig(dpy, vi_list + i, GLX_RGBA, &val);
if (res || val == False) continue;
/* prefer less depth buffer size, */
res = glXGetConfig(dpy, vi_list + i, GLX_DEPTH_SIZE, &val);
if (res) continue;
w += val*2;
/* stencil buffer size */
res = glXGetConfig(dpy, vi_list + i, GLX_STENCIL_SIZE, &val);
if (res) continue;
w += val*2;
/* and colorbuffer alpha size */
res = glXGetConfig(dpy, vi_list + i, GLX_ALPHA_SIZE, &val);
if (res) continue;
w += val;
/* and finally, prefer DirectColor-ed visuals to allow color corrections */
if (vi_list[i].class != DirectColor) w += 100;
// avoid bad-looking visual with less that 8bit per color
res = glXGetConfig(dpy, vi_list + i, GLX_RED_SIZE, &val);
if (res) continue;
if (val < 8) w += 50;
res = glXGetConfig(dpy, vi_list + i, GLX_GREEN_SIZE, &val);
if (res) continue;
if (val < 8) w += 70;
res = glXGetConfig(dpy, vi_list + i, GLX_BLUE_SIZE, &val);
if (res) continue;
if (val < 8) w += 50;
if (w < best_weight) {
best_weight = w;
best_i = i;
}
}
if (best_weight < 1000000) *res_vi = vi_list[best_i];
XFree(vi_list);
return (best_weight < 1000000) ? 0 : -1;
}
static int config_glx(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format) {
XVisualInfo *vinfo, vinfo_buf;
vinfo = choose_glx_visual(mDisplay,mScreen,&vinfo_buf) < 0 ? NULL : &vinfo_buf;
if (vinfo == NULL) {
mp_msg(MSGT_VO, MSGL_FATAL, "[gl2] no GLX support present\n");
return -1;
}
vo_x11_create_vo_window(vinfo, vo_dx, vo_dy, d_width, d_height,
flags, vo_x11_create_colormap(vinfo), "gl2", title);
return 0;
}
#endif
#ifdef CONFIG_GUI
static int config_glx_gui(uint32_t d_width, uint32_t d_height) {
guiGetEvent( guiSetShVideo,0 ); // the GUI will set up / resize the window
return 0;
}
#endif
static int initGl(uint32_t d_width, uint32_t d_height)
{
fragprog = lookupTex = 0;
if (initTextures() < 0)
return -1;
glDisable(GL_BLEND);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
glDisable(GL_CULL_FACE);
glEnable (GL_TEXTURE_2D);
if (is_yuv) {
int xs, ys;
gl_conversion_params_t params = {GL_TEXTURE_2D, use_yuv,
{-1, -1, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 1.0},
texture_width, texture_height, 0, 0, 0};
switch (use_yuv) {
case YUV_CONVERSION_FRAGMENT_LOOKUP:
glGenTextures(1, &lookupTex);
ActiveTexture(GL_TEXTURE3);
glBindTexture(GL_TEXTURE_2D, lookupTex);
ActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
case YUV_CONVERSION_FRAGMENT_POW:
case YUV_CONVERSION_FRAGMENT:
if (!GenPrograms || !BindProgram) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl] fragment program functions missing!\n");
break;
}
GenPrograms(1, &fragprog);
BindProgram(GL_FRAGMENT_PROGRAM, fragprog);
break;
}
mp_get_chroma_shift(image_format, &xs, &ys);
params.chrom_texw = params.texw >> xs;
params.chrom_texh = params.texh >> ys;
glSetupYUVConversion(&params);
}
gl_set_antialias(0);
gl_set_bilinear(1);
mp_msg(MSGT_VO, MSGL_V, "[gl2] Using image_bpp=%d, image_bytes=%d, \n\tgl_bitmap_format=%s, gl_bitmap_type=%s, \n\trgb_size=%d (%d,%d,%d), a_sz=%d, \n\tgl_internal_format=%s\n",
image_bpp, image_bytes,
glValName(gl_bitmap_format), glValName(gl_bitmap_type),
rgb_sz, r_sz, g_sz, b_sz, a_sz, glValName(gl_internal_format));
resize(d_width, d_height);
glClearColor( 0.0f,0.0f,0.0f,0.0f );
glClear( GL_COLOR_BUFFER_BIT );
drawTextureDisplay ();
return 0;
}
/* connect to server, create and map window,
* allocate colors and (shared) memory
*/
static int
config(uint32_t width, uint32_t height, uint32_t d_width, uint32_t d_height, uint32_t flags, char *title, uint32_t format)
{
int xs, ys;
const unsigned char * glVersion;
image_height = height;
image_width = width;
image_format = format;
is_yuv = mp_get_chroma_shift(image_format, &xs, &ys) > 0;
is_yuv |= (xs << 8) | (ys << 16);
int_pause = 0;
#ifdef CONFIG_GUI
if (use_gui) {
if (config_glx_gui(d_width, d_height) == -1)
return -1;
}
#ifndef CONFIG_GL_WIN32
else
#endif
#endif
#ifdef CONFIG_GL_WIN32
if (config_w32(width, height, d_width, d_height, flags, title, format) == -1)
#else
if (config_glx(width, height, d_width, d_height, flags, title, format) == -1)
#endif
return -1;
if (glctx.setGlWindow(&glctx) == SET_WINDOW_FAILED)
return -1;
glVersion = glGetString(GL_VERSION);
mp_msg(MSGT_VO, MSGL_V, "[gl2] OpenGL Driver Information:\n");
mp_msg(MSGT_VO, MSGL_V, "\tvendor: %s,\n\trenderer %s,\n\tversion %s\n",
glGetString(GL_VENDOR), glGetString(GL_RENDERER), glVersion);
if(glVersion[0]>'1' || (glVersion[0]=='1' && glVersion[2]>='2') )
isGL12 = GL_TRUE;
else
isGL12 = GL_FALSE;
if(isGL12) {
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] You have OpenGL >= 1.2 capable drivers, GOOD (16bpp and BGR is ok!)\n");
} else {
mp_msg(MSGT_VO, MSGL_INFO, "[gl2] You have OpenGL < 1.2 drivers, BAD (16bpp and BGR may be damaged!)\n");
}
glFindFormat(format, &image_bpp, &gl_internal_format, &gl_bitmap_format, &gl_bitmap_type);
image_bytes=(image_bpp+7)/8;
draw_alpha_fnc=draw_alpha_null;
switch(image_bpp) {
case 15:
draw_alpha_fnc=draw_alpha_15; break;
case 16:
draw_alpha_fnc=draw_alpha_16; break;
case 24:
draw_alpha_fnc=draw_alpha_24; break;
case 32:
draw_alpha_fnc=draw_alpha_32; break;
}
if (initGl(vo_dwidth, vo_dheight) == -1)
return -1;
return 0;
}
#ifndef CONFIG_GL_WIN32
static int gl_handlekey(int key)
{
if(key=='a'||key=='A') {
gl_set_antialias(!gl_antialias);
return 0;
} else if(key=='b'||key=='B') {
gl_set_bilinear(-1);
return 0;
}
return 1;
}
#endif
static void check_events(void)
{
int e;
#ifndef CONFIG_GL_WIN32
XEvent Event;
char buf[100];
KeySym keySym;
int key;
static XComposeStatus stat;
while ( XPending( mDisplay ) ) {
XNextEvent( mDisplay,&Event );
if( Event.type == KeyPress ) {
XLookupString( &Event.xkey,buf,sizeof(buf),&keySym,&stat );
key = (keySym&0xff00) != 0 ? (keySym&0x00ff) + 256 : keySym;
if(gl_handlekey(key))
XPutBackEvent(mDisplay, &Event);
break;
} else {
XPutBackEvent(mDisplay, &Event);
break;
}
}
#endif
e=glctx.check_events();
if(e&VO_EVENT_RESIZE) resize(vo_dwidth, vo_dheight);
if(e&VO_EVENT_EXPOSE && int_pause) flip_page();
}
static void draw_osd(void)
{
if (ImageData)
vo_draw_text(image_width,image_height,draw_alpha_fnc);
}
static void
flip_page(void)
{
drawTextureDisplay();
// glFlush();
if (use_glFinish)
glFinish();
glctx.swapGlBuffers(&glctx);
if (aspect_scaling()) // Avoid flickering borders in fullscreen mode
glClear (GL_COLOR_BUFFER_BIT);
}
static int draw_slice(uint8_t *src[], int stride[], int w,int h,int x,int y)
{
uint8_t *yptr = src[0], *uptr = src[1], *vptr = src[2];
int ystride = stride[0], ustride = stride[1], vstride = stride[2];
int rem_h = h;
struct TexSquare *texline = &texgrid[y / texture_height * texnumx];
int subtex_y = y % texture_width;
int xs, ys;
mp_get_chroma_shift(image_format, &xs, &ys);
while (rem_h > 0) {
int rem_w = w;
struct TexSquare *tsq = &texline[x / texture_width];
int subtex_x = x % texture_height;
int subtex_h = rem_h;
if (subtex_y + subtex_h > texture_height)
subtex_h = texture_height - subtex_y;
while (rem_w > 0) {
int subtex_w = rem_w;
if (subtex_x + subtex_w > texture_width)
subtex_w = texture_width - subtex_x;
ActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, tsq->texobj);
glUploadTex(GL_TEXTURE_2D, gl_bitmap_format, gl_bitmap_type,
yptr, ystride, subtex_x, subtex_y,
subtex_w, subtex_h, 0);
ActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, tsq->uvtexobjs[0]);
glUploadTex(GL_TEXTURE_2D, gl_bitmap_format, gl_bitmap_type,
uptr, ustride, subtex_x >> xs, subtex_y >> ys,
subtex_w >> xs, subtex_h >> ys, 0);
ActiveTexture(GL_TEXTURE2);
glBindTexture(GL_TEXTURE_2D, tsq->uvtexobjs[1]);
glUploadTex(GL_TEXTURE_2D, gl_bitmap_format, gl_bitmap_type,
vptr, vstride, subtex_x >> xs, subtex_y >> ys,
subtex_w >> xs, subtex_h >> ys, 0);
subtex_x = 0;
yptr += subtex_w;
uptr += subtex_w >> xs;
vptr += subtex_w >> xs;
tsq++;
rem_w -= subtex_w;
}
subtex_y = 0;
yptr += subtex_h * ystride - w;
uptr += (subtex_h >> ys) * ustride - (w >> xs);
vptr += (subtex_h >> ys) * vstride - (w >> xs);
texline += texnumx;
rem_h -= subtex_h;
}
ActiveTexture(GL_TEXTURE0);
return 0;
}
static int
draw_frame(uint8_t *src[])
{
if (is_yuv) {
mp_msg(MSGT_VO, MSGL_ERR, "[gl2] error: draw_frame called for YV12!\n");
return 0;
}
ImageData=(unsigned char *)src[0];
resetTexturePointers(ImageData);
texdirty = 1;
return 0;
}
static int
query_format(uint32_t format)
{
if (use_yuv && mp_get_chroma_shift(format, NULL, NULL) &&
(IMGFMT_IS_YUVP16_NE(format) || !IMGFMT_IS_YUVP16(format)))
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD |
VFCAP_HWSCALE_UP | VFCAP_HWSCALE_DOWN | VFCAP_ACCEPT_STRIDE;
switch(format) {
#ifdef __APPLE__
case IMGFMT_RGB32:
#else
case IMGFMT_RGB24:
case IMGFMT_BGR24:
// case IMGFMT_RGB32:
// case IMGFMT_BGR32:
#endif
return VFCAP_CSP_SUPPORTED | VFCAP_CSP_SUPPORTED_BY_HW | VFCAP_OSD;
}
return 0;
}
static void
uninit(void)
{
if ( !vo_config_count ) return;
if (texgrid) {
free(texgrid);
texgrid = NULL;
}
uninit_mpglcontext(&glctx);
}
static const opt_t subopts[] = {
{"yuv", OPT_ARG_INT, &use_yuv, int_non_neg},
{"glfinish", OPT_ARG_BOOL, &use_glFinish, NULL},
{NULL}
};
static int preinit(const char *arg)
{
enum MPGLType gltype = GLTYPE_X11;
// set defaults
#ifdef CONFIG_GL_WIN32
gltype = GLTYPE_W32;
#endif
use_yuv = -1;
use_glFinish = 1;
if (subopt_parse(arg, subopts) != 0) {
mp_msg(MSGT_VO, MSGL_FATAL,
"\n-vo gl2 command line help:\n"
"Example: mplayer -vo gl2:noglfinish\n"
"\nOptions:\n"
" noglfinish\n"
" Do not call glFinish() before swapping buffers\n"
" yuv=<n>\n"
" 0: use software YUV to RGB conversion.\n"
" 1: use register combiners (nVidia only, for older cards).\n"
" 2: use fragment program.\n"
" 3: use fragment program with gamma correction.\n"
" 4: use fragment program with gamma correction via lookup.\n"
" 5: use ATI-specific method (for older cards).\n"
"\n" );
return -1;
}
if(!init_mpglcontext(&glctx, gltype)) goto err_out;
if (use_yuv == -1) {
const char *extensions;
#ifdef CONFIG_GL_WIN32
if (config_w32(320, 200, 320, 200, VOFLAG_HIDDEN, "", 0) == -1)
#else
if (config_glx(320, 200, 320, 200, VOFLAG_HIDDEN, "", 0) == -1)
#endif
goto err_out;
if (glctx.setGlWindow(&glctx) == SET_WINDOW_FAILED)
goto err_out;
extensions = GetString(GL_EXTENSIONS);
use_yuv = strstr(extensions, "GL_ARB_fragment_program") ? 2 : 0;
}
return 0;
err_out:
uninit();
return -1;
}
static int control(uint32_t request, void *data, ...)
{
switch (request) {
case VOCTRL_PAUSE:
case VOCTRL_RESUME:
int_pause = (request == VOCTRL_PAUSE);
return VO_TRUE;
case VOCTRL_QUERY_FORMAT:
return query_format(*((uint32_t*)data));
case VOCTRL_GUISUPPORT:
return VO_TRUE;
case VOCTRL_ONTOP:
glctx.ontop();
return VO_TRUE;
case VOCTRL_FULLSCREEN:
glctx.fullscreen();
if (glctx.setGlWindow(&glctx) == SET_WINDOW_REINIT)
initGl(vo_dwidth, vo_dheight);
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
case VOCTRL_BORDER:
glctx.border();
return VO_TRUE;
case VOCTRL_GET_PANSCAN:
return VO_TRUE;
case VOCTRL_SET_PANSCAN:
resize(vo_dwidth, vo_dheight);
return VO_TRUE;
#ifndef CONFIG_GL_WIN32
case VOCTRL_SET_EQUALIZER:
{
va_list ap;
int value;
va_start(ap, data);
value = va_arg(ap, int);
va_end(ap);
return vo_x11_set_equalizer(data, value);
}
case VOCTRL_GET_EQUALIZER:
{
va_list ap;
int *value;
va_start(ap, data);
value = va_arg(ap, int *);
va_end(ap);
return vo_x11_get_equalizer(data, value);
}
#endif
case VOCTRL_UPDATE_SCREENINFO:
glctx.update_xinerama_info();
return VO_TRUE;
}
return VO_NOTIMPL;
}
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